Turbulent energy dissipation rate measurements by coherent lidar

Viktor A. Banakh; Natalia N. Kerkis; Igor N. Smalikho; Friedrich Koepp; Christian Werner

doi:10.1117/12.228516

15 December 1995 Turbulent energy dissipation rate measurements by coherent lidar

Viktor A. Banakh, Natalia N. Kerkis, Igor N. Smalikho, Friedrich Koepp, Christian Werner

Proceedings Volume 2581, Lidar Techniques for Remote Sensing II; (1995) https://doi.org/10.1117/12.228516
Event: Satellite Remote Sensing II, 1995, Paris, France

Abstract

Along with measurements of mean wind fields, Doppler lidars are used for estimation of the turbulence parameters. In particular, the attempts to use the Doppler lidars for measurement of the dissipation rate of the turbulent kinetic energy (epsilon) _T and the wind field structure constant from estimations of mean spectrum width of Doppler signal are discussed. This approach is true for small sizes of lidar probe volume. If longitudinal size of probe volume (Delta) _Z is comparable or exceeds the outer scale of turbulence L_V this method cannot be used. We discuss the feasibility of estimation of dissipation rate from Doppler lidar data at arbitrary size of lidar probe volume.

Citation Download Citation

Viktor A. Banakh, Natalia N. Kerkis, Igor N. Smalikho, Friedrich Koepp, and Christian Werner "Turbulent energy dissipation rate measurements by coherent lidar", Proc. SPIE 2581, Lidar Techniques for Remote Sensing II, (15 December 1995); https://doi.org/10.1117/12.228516

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